The more you know about the person you're buying this for, the better. Evil Controllers makes custom video game controllers, meaning you can get a version in a specific color or pattern, or add a rapid-fire modification for a Call of Duty player. They'll always think of you when they're mashing the trigger button. Prices vary, Evil Controllers
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.